This is important for understanding past ocean chemistry from analyses of sedimentary pyrite. For this study, samples were collected from an international ocean drilling project drill core from ...

Pyrite can be found in sedimentary, igneous and metamorphic rocks. It can also be found in hydrothermal veins – cracks where hot fluids flow and deposit minerals – coal beds and as a ...

according to bulk-rock and in-situ geochemical and isotopic data from pyrite from diverse sedimentary rocks of the Francevillian Group. Little is known about nitrogen loss processes in deep-sea ...